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pico-imx7d: Add boot option for verified boot

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Add boot option to boot from fitimage to support verified boot.
The boot script plain text file should be packed into fit blob as
image with name of bootscr.

Signed-off-by: Jun Nie <jun.nie@linaro.org>
This commit is contained in:
Jun Nie 2019-05-08 14:38:33 +08:00 committed by Stefano Babic
parent 1d3b852e52
commit a1513f2839
1 changed files with 35 additions and 3 deletions
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38
include/configs/pico-imx7d.h
View File

@ -52,11 +52,29 @@
"/boot/imx7d-pico-pi.dtb ext4 0 1;" \
"rootfs part 0 1\0" \
#define BOOTMENU_ENV \
/* When booting with FIT specify the node entry containing boot.scr */
#if defined(CONFIG_FIT)
#define PICO_BOOT_ENV \
"bootscr_fitimage_name=bootscr\0" \
"bootscriptaddr=0x83200000\0" \
"fdtovaddr=0x83100000\0" \
"mmcdev=" __stringify(CONFIG_SYS_MMC_ENV_DEV)"\0" \
"mmcpart=" __stringify(CONFIG_SYS_MMC_IMG_LOAD_PART) "\0" \
"mmcargs=setenv bootargs console=${console},${baudrate} " \
"rootwait rw;\0" \
"loadbootscript=" \
"load mmc ${mmcdev}:${mmcpart} ${bootscriptaddr} ${script};\0" \
"bootscript=echo Running bootscript from mmc ...; " \
"source ${bootscriptaddr}:${bootscr_fitimage_name}\0"
#else
#define PICO_BOOT_ENV \
"bootmenu_0=Boot using PICO-Hobbit baseboard=" \
"setenv fdtfile imx7d-pico-hobbit.dtb\0" \
"bootmenu_1=Boot using PICO-Pi baseboard=" \
"setenv fdtfile imx7d-pico-pi.dtb\0" \
BOOTENV
#endif
#define CONFIG_SYS_MMC_IMG_LOAD_PART 1
@ -69,7 +87,6 @@
"initrd_high=0xffffffff\0" \
"fdtfile=" CONFIG_DEFAULT_FDT_FILE "\0" \
"videomode=video=ctfb:x:800,y:480,depth:24,mode:0,pclk:30000,le:46,ri:210,up:22,lo:23,hs:20,vs:10,sync:0,vmode:0\0" \
BOOTMENU_ENV \
"fdt_addr=0x83000000\0" \
"fdt_addr_r=0x83000000\0" \
"kernel_addr_r=" __stringify(CONFIG_LOADADDR) "\0" \
@ -89,7 +106,22 @@
"name=rootfs,size=0,uuid=${uuid_gpt_rootfs}\0" \
"fastboot_partition_alias_system=rootfs\0" \
"setup_emmc=mmc dev 0; gpt write mmc 0 $partitions; reset;\0" \
BOOTENV
PICO_BOOT_ENV
#if defined(CONFIG_FIT)
#define CONFIG_BOOTCOMMAND \
"mmc dev ${mmcdev};" \
"mmc dev ${mmcdev}; if mmc rescan; then " \
"if run loadbootscript; then " \
"iminfo ${bootscriptaddr};" \
"if test $? -eq 1; then hab_failsafe; fi;" \
"run bootscript; " \
"else " \
"echo Fail to load fitImage with boot script;" \
"hab_failsafe;" \
"fi; " \
"fi"
#endif
#define BOOT_TARGET_DEVICES(func) \
func(MMC, mmc, 0) \